Answer:
Explanation:
H2O is water
O2 is Oxygen
CO2 is Carbon Dioxide
H2 O2 is Hydrogen Peroxide
O3 is ozone in the atmosphere
they connected becasue they agreed with each other.
I need pionts sorry i dont know
Is responsible for protecting the public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, and medical devices; and by ensuring the safety of our nation's food supply, cosmetics, and products that emit radiation.
The main <span>opponents of World War II were the Axis and the Allied powers. </span>